Home / 77,485.63-106,931.75-43,496.57

Finding the Fourth Proportional to 77,485.63, 106,931.75 and 43,496.57

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Solution

The fourth proportional to 77,485.63, 106,931.75 and 43,496.57 is: 60,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,485.63 : 106,931.75 = 43,496.57 : x
  2. Step 2: Convert to fraction form
    77,485.63/106,931.75 = 43,496.57/x
  3. Step 3: Cross multiply
    77,485.63x = 106,931.75 × 43,496.57
  4. Step 4: Simplify right side
    77,485.63x = 4,651,163,596.96
  5. Step 5: Solve for x
    x = 4,651,163,596.96/77,485.63
  6. Step 6: Final answer
    x = 60,026.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.